2026 Grady-White Marlin 300 Boat in Ventura, CA 93003 US

Price on request

New
builtBuilt in 2026
Year the boat was built
model

Marlin 300

Boat model
engine

3 Engines (3x Yamaha)

Engine type and count
length

30.5 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material
Nominal Length
30.5ft
Length Overall
30.5ft
Beam
10.58ft
Drive Up Draft
1.92ft
Deadrise At Transom
19.5deg
Dry Weight
8221lb
Heads
1
Max Passengers
10
Fuel Tanks
282gal
Hull Material
fiberglass
Hull Shape
sea-v2
Engine 1
Engine Make
Yamaha
Engine Model
F350XSA4
Engine Type
outboard-4s
Fuel Type
gasoline
Engine Year
2026
Engine 2
Engine Make
Yamaha
Engine Model
LF350XSA4
Engine Type
outboard-4s
Fuel Type
gasoline
Engine Year
2026
Engine 3
Engine Make
Yamaha
Engine Type
outboard-4s
Fuel Type
gasoline
Dimensions
Boat Specifications
    • Overall Length (Boat Only): 30'6" 
    • Beam: 10'7"
    • Draft: 23"
    • Deadrise: 19.5°
    • Capacity: 10 persons
    • Dry Weight: 8,221 lbs (boat only)
    • Engines: Twin Yamaha 350s
    • Fuel Capacity: 282 gallons
    • Warranty: Five Year Hull Transferable Warranty
Motor Specifications

Yamaha F350XSA4 White DEC Four Stroke & Yamaha LF350XSA4 White DEC Counter Rotation Four Stroke

    • Horsepower: 350hp
    • Cylinders: 6 cyl
    • Shaft Length: 25" X-Long
    • Throttle/Shift: Digital Electronic Controls
    • Steering: Integrated Electric Actuation
    • Starter: Electric
    • Weight: 629 lbs
    • Alternator Output: 50 - 70 amp
    • Degree of Tilt: 69°
    • Degree of Trim: -3° through +16°
    • Full Throttle Range: 5000 - 6000 rpm
    • Displacement: 4.3L
    • Fuel Induction System: Electronic Fuel Injection (EFI)
    • Warranty: Yamaha 3-Year Warranty
Disclaimer

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Contact Boat Specialists - Ventura

2900 Golf Course Drive, Ventura , CA, 93003

Boattest.com Review

Overview

The Grady White Marlin 300 is a classic offshore walkaround boat that blends the features of an express fishing boat with the fishing amenities typically found on center consoles. Unlike many center consoles, it offers overnight accommodations, making it a versatile and family-friendly vessel. Measuring 30 feet 6 inches in length overall with a beam of 10 feet 7 inches, the Marlin 300 provides a spacious and stable platform for offshore fishing and extended trips.

Exterior Design and Cockpit

The Marlin 300 features a hull draft of 23 inches and a closed foredeck with a protected bridge and high windshield, which effectively shed green water in rough seas, ensuring a dry and safe ride offshore. The cockpit is designed with fishing in mind, offering 8 feet 10 inches of space from bolster to bolster and 6 feet 6 inches from the transom to the bait prep station, allowing ample room for multiple anglers to move and fish comfortably. The cockpit is 28 inches deep, with large bolsters and sturdy tow rails enhancing safety. Storage is well thought out, including rod storage under the gunnels and multiple rod holders on the cap rails and hardtop. The transom includes a door leading to a stern platform with a four-step ladder and grab rail for easy water access. Additional features include a freshwater shower wand, shore power connections, engine freshwater flush attachments, washdown hoses, battery switches, and circuit breakers housed in a dedicated compartment. The transom deck incorporates a cutting board over a storage compartment with pull-out tubs and battery storage below. A transom bench seat provides comfortable seating, and hatches grant access to the optional Fisher Panda 5 kW generator, pumps, seacock levers, water tanks, and a large insulated fish box.

Helm and Bridge Features

The helm deck is equipped with optional command chairs that are adjustable both vertically and horizontally, featuring ventilated backrests, swivel seats, flip-up bolsters and armrests, and fold-down footrests. Storage is integrated into the helm seats with locking drawers. The dash offers ample space for electronics and includes a Yamaha engine monitoring screen, compass, accessory switches, and a stainless steel tilt steering wheel. Controls for the twin Yamaha 300 horsepower V6 4.2-liter four-stroke outboards, trim tabs, stereo remote, and optional bow thruster are ergonomically positioned for ease of use. The fiberglass hardtop with a painted aluminum frame includes lockable storage boxes, storage nets, spreader lights, and opening side vents. Strata glass front and side curtains complete the enclosure, making the boat suitable for three-season use. Walk-around side decks with nine-inch bulwarks and tall rails provide safe access to the foredeck, which features a recessed design, a windlass with foot controls, a large hatch for the rode locker, and cushioned seating on the trunk cabin.

Interior Living Spaces

Below deck, the Marlin 300 offers comfortable accommodations suitable for overnight stays. The cabin includes a small galley to port equipped with a sink providing hot and cold running water, an electric stovetop set into a Corian countertop, a microwave, and a refrigerator. The bow features a dinette with a cherry wood table that converts into a V-berth. To starboard, there is an enclosed wet head with standing headroom, and a crawl-in mid-cabin contains a double berth, an opening port light, and rod holders. The interior is finished with a teak and holly sole and includes a six-gallon water heater and a 32-gallon fresh water tank, all standard equipment enhancing comfort and convenience.

Power and Performance

The test boat weighed an estimated 10,615 pounds with three people aboard, 39% fuel, and test power installed. Powered by twin 300 horsepower Yamaha V6 4.2-liter four-stroke outboards, the Marlin 300 achieved a top speed of 50 miles per hour at 5,900 RPM. The best cruise speed was 27.6 miles per hour at 3,500 RPM, delivering fuel efficiency of 1.5 miles per gallon and a range of approximately 390 statute miles with a 10% fuel reserve from its 282-gallon capacity. Acceleration was brisk, reaching planing speed in 3.3 seconds, 20 miles per hour in 3.9 seconds, and 30 miles per hour in 6.9 seconds. The hull’s 19.5-degree dead rise at the transom provided smooth handling through one-foot chop and 10-mile-per-hour gusting winds. Maneuverability was responsive and predictable, aided by the optional bow thruster and twin outboards, which facilitated easy docking and slip entry.

Conclusion

The Grady White Marlin 300 has been a mainstay in the brand’s lineup since 1989 for good reason. It offers a dry, secure, and comfortable platform suitable for families and anglers alike, combining offshore fishing capabilities with overnight accommodations. Its spacious cockpit, well-thought-out fishing amenities, protective design, and reliable performance make it a versatile vessel that meets the needs of a wide range of boaters. Overall, the Marlin 300 stands out as a well-rounded offshore walkaround that balances fishing functionality with cruising comfort.

Rating: 4.5 out of 5

Overview from around the web 2026 Grady-White Marlin 300

The 2026 Grady-White Marlin 300 is receiving positive feedback from customers, who are particularly impressed by its versatility and performance

Many users appreciate the spacious and thoughtfully designed layout, which provides ample room for fishing, entertaining, and family outings. The boat's stability in various sea conditions has been highlighted, allowing for a smooth ride whether cruising or battling big waves. Customers also rave about the high-quality construction and durable materials that Grady-White is known for, ensuring that the Marlin 300 can withstand the test of time. The advanced rigging and cutting-edge technology, including a user-friendly control center, have garnered praise for enhancing the overall boating experience. Additionally, the ample storage and innovative features, such as integrated tackle storage and a well-planned fishing space, make it a top choice for avid anglers. Users have noted that the comfortable seating and cabin layout make it an excellent option for family excursions as well. Overall, the combination of comfort, performance, and functionality has made the 2026 Grady-White Marlin 300 a favorite among boaters looking to elevate their on-water adventures.

The Biggest Pros and Cons

Pros

Exceptional Build Quality: Grady-White is renowned for its durable construction and high-quality materials, ensuring longevity and reliability in various marine conditions.

Versatile Design: The Marlin 300 is specifically designed for both fishing and recreational cruising, making it a suitable option for diverse boating activities.

Spacious Cockpit: The boat features a large, open cockpit area that accommodates multiple anglers or guests, providing ample room for comfort and maneuverability.

Advanced Fishability: Equipped with multiple rod holders, live wells, and fish boxes, the Marlin 300 is tailored for serious anglers aiming to maximize their fishing experience.

Comfortable Cabin: The cabin is thoughtfully designed with amenities such as a well-equipped galley, private head, and comfortable seating, making it ideal for overnight trips.

Smooth Ride: Known for its stability and smooth handling, the hull design of the Marlin 300 ensures a comfortable ride even in choppy waters.

Low Maintenance: The materials and build quality reduce the need for frequent maintenance, allowing for more time on the water.

High Resale Value: Grady-White boats typically maintain their value well, making the Marlin 300 a solid investment.

Cons

Price Point: The initial purchase price can be higher than some competitive options in the same category, which may be a consideration for budget-conscious buyers.

Fuel Efficiency: While the performance is commendable, some users may find it less fuel-efficient compared to smaller or lighter boats.

Limited Customization: Depending on the model specifics, owners may find fewer options for customization compared to other brands that offer extensive personalization.

Storage Space: While the cockpit is spacious, the storage options may be somewhat limited for extended trips, particularly if loaded with fishing gear.

Weight: The solid construction contributes to a heavier overall weight, which could affect trailering and maneuverability in shallower waters.

Availability: As a new model, the Marlin 300 might have limited availability at launch, making it challenging for some buyers to see the boat in person.

Made For

The 2026 Grady-White Marlin 300 is designed for avid anglers, boating enthusiasts, and families who appreciate a perfect blend of performance, comfort, and versatility. Whether you’re pursuing trophy fish offshore or enjoying a leisurely day on the water with loved ones, this boat is ideal for those who demand quality and reliability. Sporting a spacious cockpit, the Marlin 300 provides ample room for multiple anglers to fish comfortably without feeling cramped. Families will also find the open layout and comfortable seating perfect for socializing and creating memories. With its solid construction and renowned Grady-White craftsmanship, this model is perfect for both seasoned boaters and newcomers alike, ensuring a smooth and stable ride while navigating various water conditions. The Marlin 300 is for those who cherish the thrill of fishing trips, weekend getaways, or simply relaxing on the water, making it an excellent choice for anyone looking to elevate their boating experience.

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The Image of Grady-White Marlin 300 2026 - 02026 Grady-White Marlin 300
Price on requestPrice on requestPrice on requestPrice on requestPrice on request$17,500
VenturaHuntington BeachSan DiegoVenturaVenturaSanta Cruz
31'31'21'24'34'27'
YamahaYamahaYamahaYamahaYamaha-
-350 hp250 hp350 hp450 hp200 hp
1978131191949
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Location
Nominal Length
Engine Make
Total Engine Power
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2900 Golf Course Drive
Ventura , CA 93003

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